Mcmullen builders

Residential Building Work from $10K and up!


✓ Extensions
✓ Alterations
✓ Pergolas & Support Beams
✓ General Repairs
✓ New Doors & much more!
(exc New Homes)

Speak with us
trusted supplier
Quality #1

Residential Builders in Whyalla

Let Your House Grow With Your Family with a business that supports Locals

As your family grows and your home needs change, let us help in making your home fit those new needs. Let us help you find the best solution for your home and family. The same home full of memories, with the space to help create new ones.

Initial Planning
Construction ISO 9001:2015
Budget Costing
Council Approvals

Home Builders in Whyalla, SA

Take the Stress out of Home Renovation in Whyalla

Building disruption must be carefully managed and McMullen Builders is your best choice to assist from start to finish. Excellent planning and on site organising will see a Safe, Clean worksite translating into an amazing finished Product
Plan - Organise - Execute Project - Enjoy - Easy!

Old & New Houses
All Extensions
Council Approvals Support
All Building Work
ISO 45001 Certified
In-House Trades
Electrical Work
Kitchens & Windows
Plumbing & Gas
Security Doors
No Idea of Costs? - Ask us for help

Why our customers choose us

The Right Price for the Right Job

We take great pride in making sure our quoted price is the price. This is why we take the extra time in quoting and continuing with constant communication with you until the completion of the project.

The Latest Technology To Make It Simple

By utilising the cutting edge of building technology, it allows us to complete most projects twice as fast as others in the industry.

Less Disruption To Your Life

The time it takes to finish the new addition isn’t the only way a project can affect your house. We take the time and care to leave a clean worksite and to treat your house as your home.

Eye For Detail

With such a diverse range of fully qualified trades-people and in-house engineers at McMullen, it allows us to tackle even the possibly trickiest of home renovations with confidence and experience.

That Extra Care

We also have a 24 hour on-call service to help provide the right person for the right job. We know that when an emergency happens, you want the most qualified expert you can get.


Speak with us

Our Customers

“Everything went smoothly through the entire process. Well done team.”

John Starsy

“Everything went smoothly through the entire process. Well done team.”

John Starsy

“Everything went smoothly through the entire process. Well done team.”

John Starsy

It’s more than a renovation,
this is a change to your home.

Speak with us

Why McMullen Builders?

Everything in one place

McMullen Builders pride themselves on having the ability to source a large majority of the necessary supplies from our own in-house facilities and local suppliers. Locally made quality Assured to ISO 9001:2015

A Solid Foundation On Which To Grow

With over 35 years of experience and a respected member of the Housing Industry Association, that solid foundation allows us to continue to embrace new technology and systems. We strive to find new ways to help us achieve your goals, while maintaining the quality, speed and accuracy that we are synonymous with.

A Team You Can Rely On

The combined selection of business that we have under one roof means that we have teams of experts working on jobs together, over seen by the same business. By stream lining the process it allows us to maintain fast outcomes for you, by being accountable and contactable during the whole process.

ISO 9001:2015
AS/NZS 4801:2001
ISO 45001:2018
ISO 14001:2015.

Get in touch today

Contact us


Browse below with some of our answers to the Frequently asked Questions. or give us a call anytime.

Can’t find what you’re looking for?

If you can’t find the answer to your question below, please let us know.

Ask a Question
Which Design is right for me?
How do I choose the right builder for me?
What’s the difference between extensions and renovations?
What Guarantees do we get?
How long will the work take to complete?
What is a Building Contract and a progress claim?